Next, Tarzan decides to use the vine to cross a creek. As he swings across the creek, he clocks 9 m/s as he reaches the middle of the creek (lowest point). What is the mangitude of the tension force in the vine now?

What are the phases shown in a and d called?

Energy is the ability to do work which measures what

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star